Rear Rack 48V Electric Bike Li-ion Battery Pack

Battery case:

Battery parts:

Our services:

QC Standard for Cells:

1. In good light,the surface should be smooth and dry,without crack,score,dirt etc.,the identification 2. should be clear and correct.

3. There should be clear polar identifications,the identification should be correct check by voltage meter.

4. Over discharge--no fire,no explosion,no leakage

5. Over charge--no fire,no explosion

6. Short circuit--no fire,no explosion

7. Drop--no fire,no explosion,no leakage

8. Heat--no fire,no explosion

9.Crush--no fire,no explosion

10. Stab--no fire,no explosion

QC Standard for Battery Pack:

1. Check all connection included cell to cell, data wires between cells and BMS, BMS to the cell, BMS 2. to the discharging port and charging port

3. 100% capacity at 0.2C discharging and in normal temperature 20°c

4. >98% capacitive at 1.5C discharging and in normal temperature 20°c

5. >95% capacity at normal discharging in very high temperature 55°c

6. >50% capacity at normal discharging in very low temperature -20°c

7. Over-discharging testing

8. Over-charging testing

FAQ:

Q:What is included to a battery pack?

A:Battery case,li-ion battery cells,BMS,discharging and charging connecter.

Q: Will the battery pack BMS fit my motor?

A: BMS acquiesce in discharging current 10-20A only,custimized current needs remarks.  

Q: How long does it take to recharge the battery?

A: usually it takes 4—6 hours with 2A standard charger.

Q: Does the battery pack  waterproof?

A: Yes. You can the battery pack in the light rain without worrying about damaging the electric components. 

Q: How long I can get it?

A:Delivery date about 15 days after payement,and usually 5-7 day for shipping 

Q:What's the warranty solution?

A: 27 months warranty from the delivery date. Man-made problems not in warranty.